OpenTechnical

OT-2026-000100577

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, single stage ejector, pressure sensor per zone, sustained blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000100577) never changes.

Identity and time

Publication numberOT-2026-000100577 · never reused
Internal UUID01a0aea3-66f2-7b37-b4ec-79a290d06371 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100577
StatusPUBLIC

Content hashes

Canonical texta0d26e3b8e369d7d8f197cc9c80672f52aab88b157f187686d575ba083a90518
Markdown734e6fcaaee3ba4a7cec1f9dd713be62465c312c2b0a10345c907f8617ad41a3
PDF
Publication pageaee47b18d4195c983a34696e08b3a738a40cd8b472ed1074481c2e0268d40871
Manifest83fe120ddd80c1299adae827adda601f90ecaa4a5d990a89c62aa12733be01fb

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signature0suNcwBgFl4319TyGEsf/QmVm9J9vGhrcwIbbAYMgHvBzh+rre8qDc5GzTrsL5Z52RFRlxdXndhRL0fo4f0rDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:27:21.646247ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100577
observed aee47b18d4195c983a34696e08b3a738...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:21.626632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100577/manifest.json
observed 83fe120ddd80c1299adae827adda601f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:21.609836ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100577/publication.md
observed 734e6fcaaee3ba4a7cec1f9dd713be62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:21.592089ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100577/publication.txt
observed a0d26e3b8e369d7d8f197cc9c80672f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.